Photostability of Dimegine, Photoditazine, and Radachlorin Solutions


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Abstract

We compare the photostability of one porphyrin and two chlorine photosensitizers. We show that a higher photostability of dimegine compared to photoditazine and radachlorin is determined both by their different chemical natures and by the fact that the aggregation ability of porphyrin dyes is higher than that of chlorine dyes, which in the solution leads to efficient formation of dimers and higher-order complexes.

About the authors

I. V. Bagrov

Vavilov State Optical Institute

Email: kiselevvm21@gmail.com
Russian Federation, St. Petersburg, 199034

A. V. Dadeko

Vavilov State Optical Institute

Email: kiselevvm21@gmail.com
Russian Federation, St. Petersburg, 199034

V. M. Kiselev

Vavilov State Optical Institute

Author for correspondence.
Email: kiselevvm21@gmail.com
Russian Federation, St. Petersburg, 199034

T. D. Murav’eva

Vavilov State Optical Institute

Email: kiselevvm21@gmail.com
Russian Federation, St. Petersburg, 199034

A. M. Starodubtsev

Vavilov State Optical Institute

Email: kiselevvm21@gmail.com
Russian Federation, St. Petersburg, 199034

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